#1C587F#1C587F

#1C587F is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.2% C 0.088 H 241.7°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX#1C587F
RGBrgb(28, 88, 127)
HSLhsl(204, 64%, 30%)
HSVhsv(204, 78%, 50%)
CMYKcmyk(78%, 30.7%, 0%, 50.2%)
CIE-LABlab(35.51, -4.78, -27.38)
CIE-LCHlch(35.51, 27.80, 260.10°)
OKLaboklab(44.16% -0.0418 -0.0775)
OKLCHoklch(44.16% 0.088 241.7)
XYZxyz(7.7979, 8.7577, 21.3540)
Luminance0.0876 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C587F #7F431C
analogous
#1C7F74 #1C587F #1C277F
triadic
#1C587F #7F1C58 #587F1C
tetradic
#1C587F #741C7F #7F431C #277F1C
square
#1C587F #741C7F #7F431C #277F1C
split-complementary
#1C587F #7F1C27 #7F741C
monochromatic
#06131B #11354D #1C587F #277BB1 #409AD5

Accessibility & contrast

On white

7.63
#1C587F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.75
#1C587F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C587F
7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C587F#FFFFFF#000000##FFFFFF
##1C587F1.007.632.757.63
#FFFFFF7.631.0021.001.00
#0000002.7521.001.0021.00
##FFFFFF7.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#465981
Deuteranopia (green-blind)
#384F7E
Tritanopia (blue-blind)
#006266
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #1c587f;
/* rgb */ color: rgb(28, 88, 127);
/* oklch */ color: oklch(44.2% 0.088 241.7);
Tailwind
colors: {
  custom: {
    50: '#6887a4',
    500: '#1c587f',
    950: '#000000',
  },
}
SCSS
$custom: #1c587f;
$custom-light: #6887a4;
$custom-dark: #000000;
JSON
{
  "hex": "#1c587f",
  "rgb": {
    "r": 28,
    "g": 88,
    "b": 127
  },
  "hsl": {
    "h": 203.636,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.44155,
    "c": 0.08806,
    "h": 241.7
  },
  "luminance": 0.08759
}

Semantic roles & 50–950 ramp

primary
#1C587F
secondary
#B37044
accent
#8241E7
background
#F6F8FA
surface
#EBEFF4
border
#C6CACE
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #1C587F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#1C587F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva